/* ===== 全局 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* ===== 触摸 & 手势控制 ===== */
html {
  touch-action: manipulation;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  font-size: 16px;
}

body {
  background: #000;
  color: #ccc;
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

input, textarea, [contenteditable] {
  -webkit-user-select: text;
  user-select: text;
}

canvas {
  touch-action: none !important;
}

/* ===== 3D 容器 ===== */
#globe-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* ===== 顶部栏 ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 1.25rem;
  background: linear-gradient(180deg, rgba(0,0,0,0.85) 0%, transparent 100%);
  pointer-events: none;
}

#header > * { pointer-events: auto; }

.header-left {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.header-left h1 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.5px;
}

.stats {
  font-size: 0.8125rem;
  color: #666;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  position: relative;
}

/* ===== 按钮 ===== */
.btn-add {
  background: none;
  border: 1px solid #444;
  color: #fff;
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 1.125rem;
  line-height: 1;
  transition: border-color 0.2s;
}

.btn-add:hover { border-color: #888; }

.btn-account {
  background: none; border: 1px solid #444; color: #fff;
  width: 2rem; height: 2rem; border-radius: 0.375rem;
  cursor: pointer; font-size: 0.875rem; line-height: 1;
}
.btn-account:hover { border-color: #888; }

.btn-triangle {
  background: none;
  border: 1px solid #444;
  color: #fff;
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1;
  transition: border-color 0.2s;
}

.btn-triangle:hover { border-color: #888; }
.btn-triangle.active { border-color: #888; background: rgba(255,255,255,0.06); }

.btn-pause {
  background: none;
  border: 1px solid #444;
  color: #fff;
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}
.btn-pause:hover { border-color: #888; }
.btn-pause.paused { border-color: #666; background: rgba(255,255,255,0.08); }

.pause-icon {
  display: block;
  width: 10px;
  height: 10px;
  position: relative;
}
.pause-icon::before,
.pause-icon::after {
  content: '';
  position: absolute;
  top: 0;
  width: 3px;
  height: 100%;
  background: #ccc;
  border-radius: 1px;
  transition: all 0.2s;
}
.pause-icon::before { left: 0; }
.pause-icon::after { right: 0; }

.btn-pause.paused .pause-icon::before {
  width: 0;
  height: 0;
  background: transparent;
  border-style: solid;
  border-width: 5px 0 5px 8px;
  border-color: transparent transparent transparent #ccc;
  border-radius: 0;
  left: 2px;
  top: 0;
}
.btn-pause.paused .pause-icon::after {
  display: none;
}

.btn-primary {
  background: #333;
  border: none;
  color: #fff;
  padding: 0.5rem 1.125rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.2s;
}

.btn-primary:hover { background: #555; }

.btn-secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid #333;
  color: #ccc;
  padding: 0.5rem 1.125rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover { border-color: #666; color: #fff; }

.btn-outline {
  background: none;
  border: 1px solid #444;
  color: #888;
  padding: 0.5rem 1.125rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover { border-color: #888; color: #fff; }

.btn-text {
  background: none;
  border: none;
  color: #666;
  cursor: pointer;
  font-size: 0.8125rem;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s;
}

.btn-text:hover { color: #ccc; }

/* ===== 下拉菜单 ===== */
.dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.375rem;
  width: 17.5rem;
  background: rgba(18, 18, 24, 0.96);
  border: 1px solid #333;
  border-radius: 0.5rem;
  backdrop-filter: blur(16px);
  z-index: 200;
  padding: 0.75rem;
}

.dropdown-section { margin-bottom: 0.25rem; }

.dropdown-label {
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 0.5rem;
}

.dropdown-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #bbb;
  padding: 0.5rem 0.25rem;
  cursor: pointer;
  font-size: 0.8125rem;
  border-radius: 0.25rem;
  transition: background 0.15s, color 0.15s;
}

.dropdown-btn:hover { background: rgba(255,255,255,0.06); color: #fff; }

.dropdown-divider {
  height: 1px;
  background: #222;
  margin: 0.5rem 0;
}

.hidden { display: none !important; }

/* ===== 模态框 ===== */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }

.modal-content {
  position: relative;
  background: rgba(16, 16, 22, 0.96);
  border: 1px solid #333;
  border-radius: 0.625rem;
  width: 90%;
  max-width: 28.75rem;
  max-height: 80vh;
  overflow-y: auto;
  backdrop-filter: blur(16px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem 0;
}

.modal-header h2 { font-size: 1.0625rem; color: #fff; font-weight: 500; }

.modal-body { padding: 1.25rem 1.5rem; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
  padding: 0 1.5rem 1.25rem;
}

.btn-close {
  background: none;
  border: none;
  color: #555;
  font-size: 1.375rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.btn-close:hover { color: #fff; }
.btn-close-light { color: #888; font-size: 2rem; position: absolute; top: 1rem; right: 1rem; z-index: 10; }
.btn-close-light:hover { color: #fff; }

/* ===== 照片翻页按钮 ===== */
.photo-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  border: none;
  color: #ccc;
  font-size: 2.5rem;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  z-index: 10;
  transition: color 0.15s, background 0.15s;
  line-height: 1;
}
.photo-nav-btn:hover { color: #fff; background: rgba(0,0,0,0.7); }
.photo-prev { left: 0.5rem; border-radius: 0 0.375rem 0.375rem 0; }
.photo-next { right: 0.5rem; border-radius: 0.375rem 0 0 0.375rem; }

.photo-index {
  position: absolute;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%);
  color: #888;
  font-size: 0.75rem;
  background: rgba(0,0,0,0.5);
  padding: 0.25rem 0.625rem;
  border-radius: 0.25rem;
  z-index: 10;
}

.photo-caption-wrap { margin-top: 0.625rem; }
.photo-caption-wrap input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid #333;
  border-radius: 0.375rem;
  padding: 0.625rem 0.875rem;
  color: #ccc;
  font-size: 0.875rem;
  outline: none;
}

/* ===== 表单 ===== */
.form-group { margin-bottom: 0.875rem; }
.form-row { display: flex; gap: 0.75rem; }
.form-row .form-group { flex: 1; }

.form-group label {
  display: block;
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 0.375rem;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea {
  width: 100%;
  background: #000;
  border: 1px solid #333;
  border-radius: 0.375rem;
  padding: 0.625rem 0.875rem;
  color: #ccc;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #555; }
.form-group input:focus,
.form-group textarea:focus { border-color: #666; }

.form-group textarea { resize: vertical; font-family: inherit; }

/* ===== 搜索选择 ===== */
.search-select { position: relative; }

.search-results {
  position: fixed;
  background: rgba(14,14,20,0.92);
  border: 1px solid #333;
  border-radius: 0.5rem;
  max-height: 12.5rem;
  max-width: min(20rem, calc(100vw - 2rem));
  overflow-y: auto;
  z-index: 999;
  display: none;
}

.search-results.active { display: block; }

.search-results .result-item {
  padding: 0.625rem 0.875rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: #ccc;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.15s;
}

.search-results .result-item:hover { background: rgba(255,255,255,0.06); }

.search-results .result-item .province { font-size: 0.6875rem; color: #555; margin-left: 0.5rem; }

.home-display {
  margin-top: 0.5rem;
  padding: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  color: #888;
}

.home-display span { color: #fff; }

/* ===== 星星 ===== */
.star-input span, .detail-stars span {
  font-size: 1.5rem;
  cursor: pointer;
  color: #333;
  transition: color 0.15s;
}

.star-input span.active,
.detail-stars span.active {
  color: #fff;
}

/* ===== 详情卡片 ===== */
.detail-card {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 20;
  width: clamp(18rem, 25vw, 22rem);
  max-height: 70vh;
  background: rgba(16, 16, 22, 0.96);
  border: 1px solid #333;
  border-radius: 0.625rem;
  backdrop-filter: blur(16px);
  overflow-y: auto;
  animation: slideIn 0.25s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.125rem 1.25rem 0;
}

.detail-header h2 { font-size: 1.0625rem; color: #fff; font-weight: 500; }

.detail-body { padding: 0.875rem 1.25rem; }

.detail-footer {
  display: flex;
  gap: 0.5rem;
  padding: 0 1.25rem 1.125rem;
}

.detail-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 0.625rem;
}

.detail-stars { margin-bottom: 0.875rem; }

.detail-notes {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #aaa;
  margin-top: 0.625rem;
  white-space: pre-wrap;
}

/* ===== 照片 ===== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.photo-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.photo-grid img:hover { opacity: 0.7; }

.modal-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  margin-bottom: 0.5rem;
  min-height: 2.5rem;
}
.modal-photo-grid:empty::after {
  content: '暂无照片';
  color: #555;
  font-size: 0.75rem;
  grid-column: 1 / -1;
  padding: 0.5rem 0;
}
.modal-photo-wrap {
  position: relative;
  aspect-ratio: 1;
  border-radius: 0.25rem;
  overflow: hidden;
}
.modal-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.modal-photo-del {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  border: none;
  color: #999;
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}
.modal-photo-del:hover { color: #fff; background: rgba(200,60,60,0.8); }

/* ===== 照片查看器 ===== */
.photo-viewer-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.photo-viewer-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 0.375rem;
  object-fit: contain;
}

/* ===== 地点总览 ===== */
.overview-content {
  position: relative;
  background: rgba(16, 16, 22, 0.97);
  border: 1px solid #333;
  border-radius: 0.625rem;
  width: 90%;
  max-width: 40rem;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(16px);
}

.overview-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem 0;
  flex-shrink: 0;
}

.overview-header h2 {
  font-size: 1.0625rem;
  color: #fff;
  font-weight: 500;
}

.overview-stats {
  font-size: 0.75rem;
  color: #666;
  margin-left: auto;
  margin-right: 0.75rem;
}

.overview-body {
  padding: 1rem 1.5rem 1.25rem;
  overflow-y: auto;
  flex: 1;
}

.overview-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.15s;
  cursor: pointer;
}

.overview-item:hover {
  background: rgba(255,255,255,0.03);
}

.overview-item:last-child {
  border-bottom: none;
}

.overview-item-main {
  flex: 1;
  min-width: 0;
}

.overview-item-name {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.overview-item-sub {
  color: #555;
  font-size: 0.6875rem;
  margin-top: 0.125rem;
}

.overview-item-stars {
  color: #666;
  font-size: 0.75rem;
  white-space: nowrap;
}

.overview-item-photos {
  color: #555;
  font-size: 0.6875rem;
  white-space: nowrap;
}

.overview-item-actions {
  display: flex;
  gap: 0.25rem;
}

.overview-btn {
  background: none;
  border: 1px solid #333;
  color: #888;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  cursor: pointer;
  font-size: 0.6875rem;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s;
}

.overview-btn:hover {
  border-color: #666;
  color: #fff;
}

.overview-btn.danger:hover {
  border-color: #a33;
  color: #e55;
}

.overview-empty {
  text-align: center;
  color: #555;
  padding: 2rem 0;
  font-size: 0.875rem;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 2px; }

/* ===== 地点悬浮卡片 ===== */
#connector-lines {
  position: fixed; inset: 0; z-index: 5; pointer-events: none;
}
#connector-lines line {
  stroke: rgba(255,255,255,0.35); stroke-width: 1;
}
#place-cards {
  position: fixed; inset: 0; z-index: 6; pointer-events: none;
}
.place-card {
  position: absolute;
  pointer-events: auto;
  background: rgba(14,14,20,0.1);
  border: 1px solid #333;
  border-radius: 0.5rem;
  padding: 0.5rem 0.625rem;
  color: #ccc;
  font-size: 0.75rem;
  cursor: pointer;
  min-width: 8.75rem;
  max-width: 12.5rem;
}
.place-card:hover { border-color: #666; }
.place-card-stacked::before,
.place-card-stacked::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 0.5rem;
  background: rgba(14,14,20,0.1);
  border: 1px solid #333;
  z-index: -1;
  pointer-events: none;
}
.place-card-stacked::before { transform: translate(0.25rem, -0.25rem); }
.place-card-stacked::after  { transform: translate(0.5rem, -0.5rem); }
.place-card-name { color: #fff; font-size: 0.8125rem; font-weight: 500; margin-bottom: 2px; }
.place-card-meta { color: #888; font-size: 0.6875rem; }
.place-card-thumb {
  width: 100%; height: 3.75rem; object-fit: cover; border-radius: 0.25rem; margin-top: 0.25rem;
}

/* ===== 响应式 ===== */

/* 手机竖屏 (< 480px) */
@media (max-width: 479px) {
  html { font-size: 14px; }

  #header {
    padding: 0.5rem 0.75rem;
  }
  .header-left h1 {
    font-size: 0.9375rem;
  }
  .header-left { gap: 0.5rem; }
  .stats { font-size: 0.6875rem; }

  .btn-add, .btn-triangle, .btn-pause {
    width: 1.75rem;
    height: 1.75rem;
    min-width: 1.5rem;
    min-height: 1.5rem;
    font-size: 0.9375rem;
  }

  .place-card {
    min-width: 5.5rem;
    max-width: 7.5rem;
    padding: 0.35rem 0.4rem;
    border-radius: 0.375rem;
    font-size: 0.6875rem;
    border-width: 1px;
  }
  .place-card-name { font-size: 0.6875rem; }
  .place-card-meta { font-size: 0.625rem; }
  .place-card-thumb { height: 2.5rem; }

  .place-card-stacked::before,
  .place-card-stacked::after { display: none; }

  .detail-card {
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 58vh;
    border-radius: 0.625rem 0.625rem 0 0;
    animation: slideUp 0.25s ease;
  }
  @keyframes slideUp {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
  }

  .modal-content {
    width: 100%;
    max-width: 100%;
    max-height: 88vh;
    border-radius: 0.625rem 0.625rem 0 0;
    align-self: flex-end;
  }
  .modal-header { padding: 1rem 1.25rem 0; }
  .modal-body   { padding: 1rem 1.25rem; }
  .modal-footer { padding: 0 1.25rem 1rem; }

  .dropdown {
    width: calc(100vw - 1rem);
    right: 0.5rem;
  }

  .photo-grid { grid-template-columns: repeat(4, 1fr); gap: 0.1875rem; }
  .modal-photo-grid { grid-template-columns: repeat(4, 1fr); }

  .photo-viewer-content {
    max-width: 96vw;
    max-height: 85vh;
  }

  .overview-content {
    width: 100%;
    max-width: 100%;
    max-height: 88vh;
    border-radius: 0.625rem 0.625rem 0 0;
    align-self: flex-end;
  }
}

/* 手机横屏 / 小平板 (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
  html { font-size: 15px; }

  .place-card {
    min-width: 6rem;
    max-width: 8.5rem;
  }
  .place-card-thumb { height: 3rem; }

  .detail-card {
    width: min(20rem, calc(100% - 0.75rem));
    right: 0.375rem;
    bottom: 0.75rem;
    max-height: 65vh;
  }

  .modal-content { max-width: 28rem; }
  .overview-content { max-width: 36rem; }

  .dropdown { width: 16rem; }

  .photo-grid { grid-template-columns: repeat(3, 1fr); }
}

/* 桌面 (>= 768px) */
@media (min-width: 768px) {
  html { font-size: 16px; }
  .overview-content { max-width: 44rem; }
}